President George W. Bush greets former President Jimmy Carter during a photo opportunity in the Oval Office with the Nobel Laureates Monday, Nov.18. "These Americans are a great honor to their fields and a great honor to our country. And we're proud to have you here. We're proud for what you've done, for not only America but the world. And we're proud for your contributions," said President Bush. White House photo by Tina Hager.